Devils Tower Was Proclaimed America’s First National Monument in 1906

 Events
Sep 242025
 
Devils Tower NPS Photo

Devils Tower
NPS Photo

Devils Tower was proclaimed America’s first national monument in 1906. Theodore Roosevelt decided the approximately 1,347 acre region located in Wyoming had to be preserved. Most geologists believe Devils Tower is an igneous intrusion where the sedimentary rock around it has eroded away. Children can learn more at: Devils Tower.

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